783: How We Built a Netflix Style “Save for Offline” Feature Into Syntax

783: How We Built a Netflix Style “Save for Offline” Feature Into Syntax

Scott and Wes dive into the world of browser caching for audio files, exploring the File System API and the Cache API. They discuss size restrictions across different browsers, how tools like Riverside.fm leverage IndexedDB, and walk through code examples for creating, retrieving, and managing cached audio data. Show Notes 00:00 Welcome to Syntax! 02:07 Brought to you by Sentry.io. 02:33 The file system API. 03:08 The Cache API. Mozilla Developer Cache API. Airhorner, a good example. 04:24 Size restrictions per browser. 07:04 How tools like Riverside.fm use IndexedDB. 08:47 Data eviction (too much data). 10:16 What we’re using it for and how. 12:17 How do we do this in code? 14:37 Creating the cache. 16:18 Retrieving from cache manually. 19:00 Adding metadata. 19:37 A live debugging. 22:39 Persistent storage. web.dev Persistent Storage. Hackernoon Persistent Storage. 26:10 Media score. Chrome Autoplay Policy. Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott:X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads

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916: I got fired, what should I focus on?

916: I got fired, what should I focus on?

In this potluck episode of Syntax, Wes and Scott answer your questions about maintaining popular open-source projects, where to start after a layoff, impostor syndrome, Scott’s recording setup, whethe...

2 Juli 202558min

915: $200mo Background Agents, CLI Tooling and “Max Mode”

915: $200mo Background Agents, CLI Tooling and “Max Mode”

AI coding agents are getting wild. Scott and Wes break down the latest tools that run in the background, write code across multiple steps, and charge you $200 a month to do it. From CLI-based primitiv...

30 Juni 202533min

914: 5 Upcoming + Next Gen JavaScript Features

914: 5 Upcoming + Next Gen JavaScript Features

Wes and Scott talk about the latest JavaScript proposals from TC39, including features like import defer, the powerful new random namespace, Array.fromAsync, and native clamp and upsert methods. They ...

25 Juni 202533min

913: NEWS: Remix drops React, Safari 26 CSS + mega fast Vite and TypeSCript

913: NEWS: Remix drops React, Safari 26 CSS + mega fast Vite and TypeSCript

Wes and CJ break down the latest web dev news, including big changes in Safari 26, TypeScript Native Previews, and Remix dropping React. They also chat about new proposals from TC39, Vite 7 beta, and ...

23 Juni 202550min

912: Why did Figma buy a CMS?

912: Why did Figma buy a CMS?

Wes chats with James Mikrut, founder of Payload CMS, about being acquired by Figma! They discuss building an open source business, the future of UI design, AI interfaces, and what this means for the f...

17 Juni 202526min

911: Browsers in 2025: Whats up with Arc, Dia, Firefox, Chrome and Opera GX?

911: Browsers in 2025: Whats up with Arc, Dia, Firefox, Chrome and Opera GX?

Scott and Wes break down the state of web browsers in 2025, from the rise and fall of Arc and the fate of Firefox to hot takes on Opera GX, Raycast, and why power users might not be profitable. They c...

16 Juni 202547min

910: If Statements in CSS?

910: If Statements in CSS?

Wes and Scott talk about the new If statements in CSS, breaking down how they work, why they matter, and when to use them. They explore use cases, syntax quirks, and how this feature pushes CSS closer...

11 Juni 202524min

909: Handling and Throwing Errors

909: Handling and Throwing Errors

We break down how to properly throw, catch, and log errors in JavaScript and TypeScript. They cover client-side and server-side strategies, using tools like Sentry, and how to handle errors without ta...

9 Juni 202539min

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